#include "drv_time.h"
void drv_tim7_init(void)
{
		TIM_TimeBaseInitTypeDef  TIM_TimeBaseInitStruct;
		NVIC_InitTypeDef  NVIC_InitStruct;
		RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM7, ENABLE);
		TIM_TimeBaseInitStruct.TIM_ClockDivision=TIM_CKD_DIV1;
		TIM_TimeBaseInitStruct.TIM_CounterMode=TIM_CounterMode_Up;
		TIM_TimeBaseInitStruct.TIM_Period=10000-1;
		TIM_TimeBaseInitStruct.TIM_Prescaler=8400-1;
		TIM_TimeBaseInit(TIM7, &TIM_TimeBaseInitStruct);

		TIM_ITConfig(TIM7,TIM_IT_Update,ENABLE);
		NVIC_InitStruct.NVIC_IRQChannel=TIM7_IRQn;
		NVIC_InitStruct.NVIC_IRQChannelCmd=ENABLE;
		NVIC_InitStruct.NVIC_IRQChannelPreemptionPriority=1;
		NVIC_InitStruct.NVIC_IRQChannelSubPriority=0;
		NVIC_Init(&NVIC_InitStruct);

		TIM_Cmd(TIM7,ENABLE);
}
void drv_tim13_init(void)
{
	GPIO_InitTypeDef  GPIO_InitStruct;
	TIM_TimeBaseInitTypeDef  TIM_TimeBaseInitStruct;
	TIM_OCInitTypeDef  TIM_OCInitStruct;
	
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOF,ENABLE);
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM13, ENABLE);
	
	GPIO_InitStruct.GPIO_Mode=GPIO_Mode_AF;
	GPIO_InitStruct.GPIO_OType=GPIO_OType_PP;
	GPIO_InitStruct.GPIO_Pin=GPIO_Pin_8;
	GPIO_InitStruct.GPIO_PuPd=GPIO_PuPd_UP;
	GPIO_InitStruct.GPIO_Speed=GPIO_Speed_50MHz;
	GPIO_Init(GPIOF, &GPIO_InitStruct);

	GPIO_PinAFConfig(GPIOF,GPIO_PinSource8,GPIO_AF_TIM13);
		
	TIM_TimeBaseInitStruct.TIM_ClockDivision=TIM_CKD_DIV1;
	TIM_TimeBaseInitStruct.TIM_CounterMode=TIM_CounterMode_Up;
	TIM_TimeBaseInitStruct.TIM_Period=5000-1;
	TIM_TimeBaseInitStruct.TIM_Prescaler=84-1;
	TIM_TimeBaseInit(TIM13, &TIM_TimeBaseInitStruct);
	TIM_ITConfig(TIM13,TIM_IT_Update,ENABLE);

	TIM_OCInitStruct.TIM_OCMode=TIM_OCMode_PWM1;
	TIM_OCInitStruct.TIM_OCPolarity=TIM_OCPolarity_Low;
	TIM_OCInitStruct.TIM_OutputState=TIM_OutputState_Enable;
	TIM_OCInitStruct.TIM_Pulse=0;
	TIM_OC1Init(TIM13, &TIM_OCInitStruct);

	TIM_ARRPreloadConfig(TIM13, ENABLE);
	TIM_OC1PreloadConfig(TIM13, TIM_OCPreload_Enable);
	TIM_CtrlPWMOutputs(TIM13, ENABLE);
	
	TIM_Cmd(TIM13,ENABLE);
}
void drv_tim2_init(void)//PA15 蜂鸣器 高电平响
{
	GPIO_InitTypeDef  GPIO_InitStruct;
	TIM_TimeBaseInitTypeDef  TIM_TimeBaseInitStruct;
	TIM_OCInitTypeDef TIM_OCInitStruct;
	
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
	RCC_APB1PeriphClockCmd( RCC_APB1Periph_TIM2,  ENABLE);
	
	GPIO_InitStruct.GPIO_Mode=GPIO_Mode_AF;
	GPIO_InitStruct.GPIO_OType=GPIO_OType_PP;
	GPIO_InitStruct.GPIO_Pin=GPIO_Pin_15;
	GPIO_InitStruct.GPIO_PuPd=GPIO_PuPd_UP;
	GPIO_InitStruct.GPIO_Speed=GPIO_Speed_100MHz;
	GPIO_Init(GPIOA, &GPIO_InitStruct);

	GPIO_PinAFConfig( GPIOA,  GPIO_PinSource15,  GPIO_AF_TIM2);

	TIM_TimeBaseInitStruct.TIM_ClockDivision=TIM_CKD_DIV1;
	TIM_TimeBaseInitStruct.TIM_CounterMode=TIM_CounterMode_Up;
	TIM_TimeBaseInitStruct.TIM_Period=5000-1;
	TIM_TimeBaseInitStruct.TIM_Prescaler=84-1;
	TIM_TimeBaseInit( TIM2,  & TIM_TimeBaseInitStruct);
	TIM_ITConfig(TIM2,  TIM_IT_Update,  ENABLE);

	TIM_OCInitStruct.TIM_OCMode=TIM_OCMode_PWM1;
	TIM_OCInitStruct.TIM_OCPolarity=TIM_OCPolarity_High;
	TIM_OCInitStruct.TIM_OutputState=TIM_OutputState_Enable;
	TIM_OCInitStruct.TIM_Pulse=500;
	TIM_OC1Init( TIM2,  &TIM_OCInitStruct);

	TIM_ARRPreloadConfig(TIM2, ENABLE);                  // 使能自动重载预装载
	TIM_OC1PreloadConfig(TIM2, TIM_OCPreload_Enable);    // 使能输出比较预装载
	TIM_CtrlPWMOutputs(TIM2, ENABLE);                    // 主输出使能	

	TIM_Cmd( TIM2,  ENABLE);
}

